These are links that have been referred to very often in this forum (part I):
Adjective order in English
SS > factoids > adjective order in English
Articles
Articles – The Writing Center • University of North Carolina at Chapel Hill
Using Articles --University of Toronto on use of articles in English (Thanks to PaulQ!)
Special Cases in the Use of the Definite Article ----University of Toronto
Bartleby
Bartleby.com includes many sources, especially useful for Mencken on American Language, Fowler, and Strunk and White:
Reference: Thesaurus, Usage, Quotations, and more. Bartleby.com
Capitalization
Guide to Punctuation - University of Sussex
US Government Printing Office on capitalization:
govinfo
PDF -- Style Manual chapter that deals with capitalization.
Corpora
This important collection links to many corpora:
(Thanks to KHS!)
It includes American English Corpora:
As well as some overlap with those listed below.
The British National Corpus (BNC), around 100 million words, spoken and written:
[bnc] British National Corpus
An alternative, and more extensive search of the BNC (through a university website):
British National Corpus (BYU-BNC)
A corpus based on Time Magazine, also around 100 million words:
TIME Magazine Corpus of American English
Simple search through Collins (the dictionary publishers) Wordbank:
ELT | COBUILD Reference | The Collins Corpus
The Compleat Lexical Tutor, a concordancer with rather limited corpora, but which allows you to choose the type of English you are most interested in:
Compleat Lexical Tutor
The University of Michigan has several different corpora, one of which is a corpus of academic spoken English:
Micase Online Home Page
Differences between American and British English. Here’s a list of various British words and expressions together with their American equivalents.
British and American terms - Oxford Dictionaries
Errors that are frequent in different varieties of English
Common Errors in English
Etymology
The Online Etymology Dictionary – The basic sources of this work include the Oxford English Dictionary (2nd edition) and Chapman’s Dictionary of American Slang:
Online Etymology Dictionary
Word Detective – For more etymology:
Index of Previous Columns
Frequency (Google Ngram Viewer)Search "lots of books" to discover how often one or several combinations of words have been used over time.
Google Ngram Viewer
Grammar etc.
The Internet Grammar of English:
The Internet Grammar of English
All kinds of useful information from the Online Writing Lab at Purdue University:
Purdue OWL
The University of Victoria Language Centre
English Language Centre Study Zone: Welcome!
Verb tenses explained:
ENGLISH PAGE - Verb Tense Tutorial
English Tenses
English Grammar - Table of Content - A free online educational resource - Word Power
Capital Community College Foundation guide to grammar and writing.
Guide to Grammar and Writing
edufind.com - Online English Grammar resources
English grammar guide | English Grammar | EF
Oxford Dictionaries guidance:
English Dictionary, Thesaurus, & grammar help | Oxford Dictionaries
Online English Verb Conjugation (Verbix.com)
Verbix -- Germanic languages -- conjugate English verbs
Idioms
Idioms at UsingEnglish.com. Dictionary of English idioms & idiomatic expressions:
English Idioms, Phrases & Idiomatic Expressions - UsingEnglish.com
Idioms at Rice University’s ESL page:
Idioms: Introduction
Idioms at TheFreeDictionary.com:
Idioms and phrases
Listening to accents and dialects
BBC Voices of English - shows British English accent and dialect variation
International Dialect Variation - shows international varieties of English
Do You Speak American? - US accent and dialect variation
SOSAMP
Phonetics: The sounds of American English (English sounds) from the University of Iowa
Dialect Survey Results - dialect maps (of the US), displaying what terms and pronunciations are used, and where they are used (2003).
IDEA: International Dialects of English Archive - gives actual extracts from conversations in English accents from around the world
Sounds Familiar? - the British Library page: Sounds Familiar? UK accents and dialects
Additional British Library webpage:
Speech Accent Archive - The same text spoken by various English speakers from around the world. -
English pronunciation dictionary - English pronunciation guide.
See also pronunciation and IPA links. Some are listed HERE